DE69422967T2 - Device for image coding - Google Patents

Device for image coding

Info

Publication number
DE69422967T2
DE69422967T2 DE1994622967 DE69422967T DE69422967T2 DE 69422967 T2 DE69422967 T2 DE 69422967T2 DE 1994622967 DE1994622967 DE 1994622967 DE 69422967 T DE69422967 T DE 69422967T DE 69422967 T2 DE69422967 T2 DE 69422967T2
Authority
DE
Germany
Prior art keywords
image coding
coding
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE1994622967
Other languages
German (de)
Other versions
DE69422967D1 (en
Inventor
Hiroyuki Katata
Hiroshi Kusao
Yohichi Fujiwara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of DE69422967D1 publication Critical patent/DE69422967D1/en
Application granted granted Critical
Publication of DE69422967T2 publication Critical patent/DE69422967T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
DE1994622967 1993-12-22 1994-12-20 Device for image coding Expired - Fee Related DE69422967T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32506393A JP3224465B2 (en) 1993-12-22 1993-12-22 Image coding device

Publications (2)

Publication Number Publication Date
DE69422967D1 DE69422967D1 (en) 2000-03-16
DE69422967T2 true DE69422967T2 (en) 2000-06-21

Family

ID=18172744

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1994635000 Expired - Lifetime DE69435000T2 (en) 1993-12-22 1994-12-20 Picture coding device
DE1994622967 Expired - Fee Related DE69422967T2 (en) 1993-12-22 1994-12-20 Device for image coding

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1994635000 Expired - Lifetime DE69435000T2 (en) 1993-12-22 1994-12-20 Picture coding device

Country Status (4)

Country Link
US (1) US5631644A (en)
EP (2) EP0966163B1 (en)
JP (1) JP3224465B2 (en)
DE (2) DE69435000T2 (en)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2157066C (en) * 1994-10-21 1999-09-21 Nelson Botsford Iii Method for controlling a compressed data buffer
ATE194742T1 (en) * 1994-12-28 2000-07-15 Koninkl Philips Electronics Nv BUFFER MANAGEMENT IN VARIABLE BITRATE COMPRESSION SYSTEMS
US5677969A (en) * 1995-02-23 1997-10-14 Motorola, Inc. Method, rate controller, and system for preventing overflow and underflow of a decoder buffer in a video compression system
JPH0946691A (en) * 1995-07-31 1997-02-14 Victor Co Of Japan Ltd Information storage output method and information storage output device
CA2180189C (en) * 1995-08-03 2001-07-03 Satoru Adachi Variable length coded data transmission device
JP3249729B2 (en) * 1995-10-24 2002-01-21 シャープ株式会社 Image encoding device and image decoding device
EP1182888A3 (en) * 1996-04-25 2004-11-03 Matsushita Electric Industrial Co., Ltd. Video coding with bit rate dependent quantisation
KR100346740B1 (en) * 1996-09-21 2002-09-18 삼성전자 주식회사 Discrete cosine transform coefficients prediction method
US6529551B1 (en) * 1996-12-10 2003-03-04 Thomson Licensing S.A. Data efficient quantization table for a digital video signal processor
EP0945001B1 (en) * 1996-12-18 2003-04-23 Thomson Consumer Electronics, Inc. A multiple format video signal processor
US6668015B1 (en) * 1996-12-18 2003-12-23 Thomson Licensing S.A. Efficient fixed-length block compression and decompression
US6633609B1 (en) * 1996-12-24 2003-10-14 Intel Corporation Method and apparatus for bit rate control in a digital video environment for arbitrary bandwidth
JP3213561B2 (en) 1997-02-05 2001-10-02 シャープ株式会社 Image encoding device and image decoding device
EP0967806A4 (en) * 1997-03-12 2010-12-22 Panasonic Corp Encoding method, encoder and recording medium, and decoding method, decoder and recording medium
JP3588970B2 (en) 1997-04-30 2004-11-17 ソニー株式会社 Signal encoding method, signal encoding device, signal recording medium, and signal transmission method
US6618396B1 (en) * 1997-07-29 2003-09-09 Matsushita Electric Ind Co Ltd Data transmitting device, data receiving device, and data recording device
US6192075B1 (en) * 1997-08-21 2001-02-20 Stream Machine Company Single-pass variable bit-rate control for digital video coding
US6282240B1 (en) * 1997-09-03 2001-08-28 Oki Electric Industry Co., Ltd. Picture coder, picture decoder, and transmission system
JPH11205785A (en) * 1997-12-25 1999-07-30 Samsung Electron Co Ltd Method and device for transmitting video data of radio communication system
US6130894A (en) * 1998-03-09 2000-10-10 Broadcom Homenetworking, Inc. Off-line broadband network interface
US6278735B1 (en) * 1998-03-19 2001-08-21 International Business Machines Corporation Real-time single pass variable bit rate control strategy and encoder
US6385236B1 (en) 1998-10-05 2002-05-07 Lsi Logic Corporation Method and Circuit for testing devices with serial data links
JP3259702B2 (en) 1998-12-24 2002-02-25 日本電気株式会社 Moving picture variable bit rate coding apparatus and method
EP1085765A3 (en) * 1999-09-20 2006-03-01 Matsushita Electric Industrial Co., Ltd. System stream creating apparatus which adjusts system clock reference based on total number of pictures to be stored and decoded during certain time period
US6639942B1 (en) * 1999-10-21 2003-10-28 Toshiba America Electronic Components, Inc. Method and apparatus for estimating and controlling the number of bits
JP4170555B2 (en) * 2000-02-28 2008-10-22 株式会社東芝 Video encoding apparatus and video encoding method
EP1146745B1 (en) * 2000-03-08 2019-09-04 Mitsubishi Denki Kabushiki Kaisha Coding device and coding method
CN1322759C (en) * 2000-04-27 2007-06-20 三菱电机株式会社 Coding apparatus and coding method
KR20020064925A (en) 2000-10-10 2002-08-10 코닌클리케 필립스 일렉트로닉스 엔.브이. Video bitrate control method and device for digital video recording
JP2002330441A (en) * 2001-05-01 2002-11-15 Sony Corp Encoding method, program for encoding method, recording medium for recording program for encoding method and encoder
FR2835996A1 (en) * 2002-02-12 2003-08-15 Koninkl Philips Electronics Nv METHOD FOR ENCODING A SEQUENCE OF DIGITAL IMAGES
US7388912B1 (en) * 2002-05-30 2008-06-17 Intervideo, Inc. Systems and methods for adjusting targeted bit allocation based on an occupancy level of a VBV buffer model
JP3853708B2 (en) * 2002-07-10 2006-12-06 Ｎｅｃアクセステクニカ株式会社 Digital image encoding apparatus, encoding method, and program
US7738554B2 (en) * 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
US7580584B2 (en) * 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
US8218624B2 (en) * 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
US7602851B2 (en) * 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
DE102004007185B3 (en) * 2004-02-13 2005-06-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predictive coding method for information signals using adaptive prediction algorithm with switching between higher adaption rate and lower prediction accuracy and lower adaption rate and higher prediction accuracy
US20050207501A1 (en) * 2004-03-18 2005-09-22 Sony Corporation Method of and system for video bit allocation for scene cuts and scene changes
JP4414904B2 (en) * 2004-04-16 2010-02-17 株式会社エヌ・ティ・ティ・ドコモ Moving picture encoding apparatus, moving picture encoding method, moving picture encoding program, moving picture decoding apparatus, moving picture decoding method, and moving picture decoding program
US7801383B2 (en) * 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
JP2006332759A (en) * 2005-05-23 2006-12-07 Toshiba Corp Electronic apparatus, image control method, and program for image control
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
US8160156B2 (en) * 2006-02-01 2012-04-17 Verint Systems, Inc. System and method for controlling the long term generation rate of compressed data
US7974340B2 (en) * 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
JP5058681B2 (en) * 2007-05-31 2012-10-24 キヤノン株式会社 Information processing method and apparatus, program, and storage medium
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
WO2009038070A1 (en) * 2007-09-18 2009-03-26 Kowa Company, Ltd. Serial data communication system and serial data communication method
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
JP2010239288A (en) 2009-03-30 2010-10-21 Sony Corp Information processing device and method
BR112012027960A2 (en) * 2010-05-06 2018-05-08 Nippon Telegraph And Telephone Corporation "video encoding control method and apparatus"
CN102986212B (en) 2010-05-07 2015-11-25 日本电信电话株式会社 Moving picture control method, moving picture encoder

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5564445A (en) * 1978-11-08 1980-05-15 Nec Corp Code converter circuit
US5163056A (en) * 1987-10-01 1992-11-10 Kabushiki Kaisha Komatsu Seisakusho Apparatus for carrying out serial control
JPH0616617B2 (en) * 1987-12-07 1994-03-02 富士通株式会社 Initial condition setting method
JPH0722396B2 (en) * 1989-11-06 1995-03-08 三菱電機株式会社 Image coding device
JP2787599B2 (en) * 1989-11-06 1998-08-20 富士通株式会社 Image signal coding control method
US5134476A (en) * 1990-03-30 1992-07-28 At&T Bell Laboratories Video signal encoding with bit rate control
US5038209A (en) * 1990-09-27 1991-08-06 At&T Bell Laboratories Adaptive buffer/quantizer control for transform video coders
JP2514111B2 (en) * 1990-12-28 1996-07-10 日本ビクター株式会社 Interframe coded output data amount control method and image coded output data amount control method
US5317397A (en) * 1991-05-31 1994-05-31 Kabushiki Kaisha Toshiba Predictive coding using spatial-temporal filtering and plural motion vectors
JP3187097B2 (en) * 1991-10-17 2001-07-11 株式会社東芝 Code amount distribution method in moving picture coding and moving picture coding method and apparatus using the same
JPH0568243A (en) * 1991-09-09 1993-03-19 Hitachi Ltd Variable length coding controlling system
EP0935397B1 (en) * 1991-09-30 2005-07-27 Kabushiki Kaisha Toshiba Band-compressed signal recording/reproducing processing apparatus
JPH05167998A (en) * 1991-12-16 1993-07-02 Nippon Telegr & Teleph Corp <Ntt> Image-encoding controlling method
US5283646A (en) * 1992-04-09 1994-02-01 Picturetel Corporation Quantizer control method and apparatus
US5253059A (en) * 1992-05-15 1993-10-12 Bell Communications Research, Inc. Method and circuit for adjusting the size of a video frame

Also Published As

Publication number Publication date
EP0966163B1 (en) 2007-07-18
EP0660612A2 (en) 1995-06-28
DE69435000D1 (en) 2007-08-30
JPH07184196A (en) 1995-07-21
DE69422967D1 (en) 2000-03-16
EP0966163A3 (en) 2000-03-08
US5631644A (en) 1997-05-20
DE69435000T2 (en) 2008-03-13
EP0660612B1 (en) 2000-02-09
JP3224465B2 (en) 2001-10-29
EP0966163A2 (en) 1999-12-22
EP0660612A3 (en) 1996-04-03

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